which term of an A.P is 70, if the first term is 120 and the common difference is -5
Answers
Answered by
18
✨Answer:
11 term is 70.
✨ Step-by-step explanation:
Let 70 be Tn.
Then,
➡️ Tn = a + (n - 1)d
➡️ 70 = 120 + (n - 1) - 5
➡️ 70 = 120 - 5n + 5
➡️ 65 = 120 - 5n
➡️ 5n = 120 - 65
➡️ 5n = 55
➡️ n = 11
70 is the 11 th term of given ap in which first term a is 120 and common difference d is - 5.
Answered by
6
let, nth term of AP is 70.
Also, a=120
d=-5
we know thay,
I hope this helps you.
mark it as BRAINLIST ANSWER.
Also, a=120
d=-5
we know thay,
I hope this helps you.
mark it as BRAINLIST ANSWER.
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